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[Refactor](inverted index) new inverted index reader implementation
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121 changes: 121 additions & 0 deletions
121
be/src/olap/rowset/segment_v2/inverted_index/query_v2/query_result.h
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| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
|
|
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| #pragma once | ||
| #include <memory> | ||
| #include <roaring/roaring.hh> | ||
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| namespace doris::segment_v2::inverted_index { | ||
| class InvertedIndexResultBitmap { | ||
| private: | ||
| std::shared_ptr<roaring::Roaring> _data_bitmap = nullptr; | ||
| std::shared_ptr<roaring::Roaring> _null_bitmap = nullptr; | ||
|
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| public: | ||
| // Default constructor | ||
| InvertedIndexResultBitmap() = default; | ||
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| ~InvertedIndexResultBitmap() = default; | ||
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| // Constructor with arguments | ||
| InvertedIndexResultBitmap(std::shared_ptr<roaring::Roaring> data_bitmap, | ||
| std::shared_ptr<roaring::Roaring> null_bitmap) | ||
| : _data_bitmap(std::move(data_bitmap)), _null_bitmap(std::move(null_bitmap)) {} | ||
|
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| // Copy constructor | ||
| InvertedIndexResultBitmap(const InvertedIndexResultBitmap& other) | ||
| : _data_bitmap(std::make_shared<roaring::Roaring>(*other._data_bitmap)), | ||
| _null_bitmap(std::make_shared<roaring::Roaring>(*other._null_bitmap)) {} | ||
|
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| // Move constructor | ||
| InvertedIndexResultBitmap(InvertedIndexResultBitmap&& other) noexcept | ||
| : _data_bitmap(std::move(other._data_bitmap)), | ||
| _null_bitmap(std::move(other._null_bitmap)) {} | ||
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| // Copy assignment operator | ||
| InvertedIndexResultBitmap& operator=(const InvertedIndexResultBitmap& other) { | ||
| if (this != &other) { // Prevent self-assignment | ||
| _data_bitmap = std::make_shared<roaring::Roaring>(*other._data_bitmap); | ||
| _null_bitmap = std::make_shared<roaring::Roaring>(*other._null_bitmap); | ||
| } | ||
| return *this; | ||
| } | ||
|
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| // Move assignment operator | ||
| InvertedIndexResultBitmap& operator=(InvertedIndexResultBitmap&& other) noexcept { | ||
| if (this != &other) { // Prevent self-assignment | ||
| _data_bitmap = std::move(other._data_bitmap); | ||
| _null_bitmap = std::move(other._null_bitmap); | ||
| } | ||
| return *this; | ||
| } | ||
|
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| // Operator &= | ||
| InvertedIndexResultBitmap& operator&=(const InvertedIndexResultBitmap& other) { | ||
| if (_data_bitmap && _null_bitmap && other._data_bitmap && other._null_bitmap) { | ||
| auto new_null_bitmap = (*_data_bitmap & *other._null_bitmap) | | ||
| (*_null_bitmap & *other._data_bitmap) | | ||
| (*_null_bitmap & *other._null_bitmap); | ||
| *_data_bitmap &= *other._data_bitmap; | ||
| *_null_bitmap = std::move(new_null_bitmap); | ||
| } | ||
| return *this; | ||
| } | ||
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| // Operator |= | ||
| InvertedIndexResultBitmap& operator|=(const InvertedIndexResultBitmap& other) { | ||
| if (_data_bitmap && _null_bitmap && other._data_bitmap && other._null_bitmap) { | ||
| auto new_null_bitmap = (*_null_bitmap | *other._null_bitmap) - *_data_bitmap; | ||
| *_data_bitmap |= *other._data_bitmap; | ||
| *_null_bitmap = std::move(new_null_bitmap); | ||
| } | ||
| return *this; | ||
| } | ||
|
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| // NOT operation | ||
| const InvertedIndexResultBitmap& op_not(const roaring::Roaring* universe) const { | ||
| if (_data_bitmap && _null_bitmap) { | ||
| *_data_bitmap = *universe - *_data_bitmap - *_null_bitmap; | ||
| // The _null_bitmap remains unchanged. | ||
| } | ||
| return *this; | ||
| } | ||
|
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| // Operator -= | ||
| InvertedIndexResultBitmap& operator-=(const InvertedIndexResultBitmap& other) { | ||
| if (_data_bitmap && _null_bitmap && other._data_bitmap && other._null_bitmap) { | ||
| *_data_bitmap -= *other._data_bitmap; | ||
| *_data_bitmap -= *other._null_bitmap; | ||
| *_null_bitmap -= *other._null_bitmap; | ||
| } | ||
| return *this; | ||
| } | ||
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| void mask_out_null() { | ||
| if (_data_bitmap && _null_bitmap) { | ||
| *_data_bitmap -= *_null_bitmap; | ||
| } | ||
| } | ||
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| const std::shared_ptr<roaring::Roaring>& get_data_bitmap() const { return _data_bitmap; } | ||
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| const std::shared_ptr<roaring::Roaring>& get_null_bitmap() const { return _null_bitmap; } | ||
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| // Check if both bitmaps are empty | ||
| bool is_empty() const { return (_data_bitmap == nullptr && _null_bitmap == nullptr); } | ||
| }; | ||
| } // namespace doris::segment_v2::inverted_index |
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